Do It your self Garbage Disposal Replacement1'st off you need to consider; Do I have the nessasary tools to complete this job ?Am I handy enough to complete this job ?At minimum you will need to have these tools:1: a phillips screwdriver2: a flat head screwdriver3: channel lock plyers4: a hammer5: you'll also need some plumbers puttywhen your ready to install the new disposalstep 1: Make sure you have the electrical switch youuse to turn on the garbage disposal turnedoff.step 2: Disconnect the p-trap-step3: Disconnect the dishwasher drain lines -where they hook up to the disposalstep4:Holding the disposal, turn the locking ringcounter clockwise, but be ready for it to dropapart from the top section thats connected tothe sink.step5:Unscrew the disposal outlet drain line and set itto the side as you'll re-install that on thenew disposalstep6:Turn the disposal up-side down and unscrewthe electrical cover plate, pull out thewhite and black wires, unscrew the groundwire from the green retaining screw, if yourdisposal has a romex connectorunscrew the 2 screws enough toloosen it's grip on the wire. Now unscrew thewire nuts from the black and white wires,seperate the from each other and pull thewires out through the hole;, Note: if you loosenthe romex connector screws enough, you canunscrew the romex connector leaving the wirein it. you will want to re-use the romexconnector on the new disposal.step7:Loosen the 3 retaining screws in the bottom ofthe mounting lock to loosen, take a flat headscrewdriver and pop off the ring lock clip. Youcan now pull the old mount out from the sinkstep8:Now your ready to begin the new installation:Take the screwdriver and dig out enoughplumbers putty to make a round tube of puttyabout 1/4" thick and long enough to go all theway around the lip underside of the sinkflange,with the putty on the mount, install the mountin the sink basin and push down firmly, the nextstep is alot easier if you have a helper.Have a helper hold the mount down from thetop while you put on the paper and rubbergasket, then the upper mounting ring, lowermounting ring, then snap the metalretaining ring in it's groove. Tighten the screwsevenly until the disposal mount is tight andmost of the plumbers putty has squeezed upinside the sink. Clean off the excess plumbers puttystep9:Take the new garbage disposal and a flatheadscrewdriver and insert it into the dishwasherdrain hole, Now take the hammer and tap outthe plastic plug inside the new garbage disposal.